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NVIDIA GeForce GTX 780 3GB Overclocked - Closing the gap on the GTX TITAN (Page 21)

By Shawn Baker from May 24, 2013 @ 11:22 CDT

Power Consumption Test

Using our PROVA Power Analyzer WM-01 or "Power Thingy" as it has become quickly known as to our readers, we are now able to find out what kind of power is being used by our test system and the associated graphics cards installed. Keep in mind, it tests the complete system (minus LCD monitor, which is plugged directly into AC wall socket).

There are a few important notes to remember though, while our maximum power is taken in 3DMark06 at the same exact point, we have seen in particular tests the power being drawn as much as 10% more. We test at the exact same stage every time, therefore tests should be very consistent and accurate.

The other thing to remember is that our test system is bare minimum - only a SSD hard drive is used with a single CD ROM and minimal cooling fans.

So while the system might draw 400 watts in our test system, placing it into your own PC with a number of other items, the draw is going to be higher.

nvidia_geforce_gtx_780_3gb_overclocked_closing_the_gap_on_the_gtx_titan_42

As you'd expect power draw is up in both the idle and load department. Idle sees a 20 watt increase, while load jumps up almost 50 watts coming in at just shy of 500 watts.

We recommend a good quality PSU in the 700 watt+ area to make sure you're covered with a system such as this one.

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